Nuts For Knots Ball Tugger Dog Toy Nuts For Knots Ball Tuggers are durable cotton rope dog toys manufactured in bright and distinctive colours that provide great entertainment for any dog. Tough, durable, twisted chews are tied up into a tight ball shape to make a long lasting toy that your pet will love. This extremely sturdy toy helps to look after your dog's teeth and gums acting with a flossing action as your dog chews. It also provides great regular exercise for you and your dog together using interactive games such as fetching, throwing and tugging. Small: 9 cm diameter, 20cm handle, 190g. Suitable for small to medium sized dogs. Medium: 10 cm diameter, 20cm handle, 360g. Suitable for medium to large sized dogs. Large: 13 cm diameter, 20cm handle, 700g. Suitable for larger and stronger dogs.